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🔧 Screw it right, screw it fast — anchor your projects with confidence!
Bobibbi’s 3/16 x 1-1/4 inch Hex Head Concrete Screw Anchors come in a convenient 100-piece set, engineered from high-grade 1022A carbon steel with a corrosion-resistant finish. Featuring a unique diamond tail for rapid drilling and a fully threaded UNC coarse thread design, these anchors deliver reliable, durable fixation in concrete, brick, and block surfaces. Ideal for professional and DIY use, they combine speed, strength, and versatility, all backed by a lifetime satisfaction guarantee.
| ASIN | B0BJ1ZSRWT |
| ASIN | B0BJ1ZSRWT |
| Best Sellers Rank | #179,858 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #36 in Concrete Screws |
| Brand | Bobibbi |
| Compatible Groove Diameter | 0.19 Inches |
| Customer Reviews | 4.2 4.2 out of 5 stars (279) |
| Customer reviews | 4.2 4.2 out of 5 stars (279) |
| Date First Available | 24 June 2025 |
| Drive System | External Hex |
| Exterior Finish | Alloy Steel |
| Fastener Size | 3/16 x 1-1/4 Inch |
| Fastener Type | Self-Drilling Screws |
| Finish Types | Powder Coated |
| Head Type | Hex |
| Item Diameter | 4.76 Millimeters |
| Item Dimensions | 14.2 x 8.8 x 4.4 centimeters |
| Item Weight | 0.4 Kilograms |
| Item model number | 3/16 x 1-1/4" Hex Head Concrete Screw |
| Manufacturer | Bobibbi |
| Manufacturer | Bobibbi |
| Material Type | Carbon Steel |
| Metal Type | Carbon Steel |
| Model | 3/16 x 1-1/4" Hex Head Concrete Screw |
| Number of Pieces | 101 |
| Part Number | 3/16 x 1-1/4" Hex Head Concrete Screw |
| Product Dimensions | 14.2 x 8.8 x 4.4 cm; 398 g |
| Screw Head Style | Hex |
| Screw Point Style | Self-Piercing Point |
| Set Name | 100-Piece Set |
| Set Screw Thread Type | UNC |
| Size Name | 3/16 x 1-1/4" |
| Thread Class | 3A |
| Thread Coverage | Fully Threaded |
| Thread Size | 3/16 x 1-1/4 Inch |
| Thread Style | right hand coarse thread |
| Thread Type | UNC |
B**G
The anchoring concrete screws were one or two sizes smaller from the proper size of the concrete bit recommended by the merchant, The holes drill on the concrete block became too large for the screws to fit. Therefore, I have no idea how well they work.
C**Z
So for the money and number of screws they’re a good deal, especially over Tapcon prices. They’re solid, however the quality control could be better. I had like 3-4 that had blunted tips on them, so I couldn’t use them.
A**H
Excellent
J**N
Not sure who's fault this would be but when they came I could tell they had been used. The bit was worn and you could see that a couple screws had been used because of the dust on them. However I had my own bit and the screws worked great. Makes you feel a little unimportant when you buy a new product and it comes to you used.
C**A
Good price and worked well. I've used about half in cmu and had no issues. I did already have a tapcon bit but I'm sure the included one would work well.
Trustpilot
1 week ago
1 month ago